Gymnophthalmata
Pronunciation : Gym`noph*thal"ma*ta
Part of Speech : n.
Etymology : [NL., fr. Gr. gymno`s naked + (Zo?l.)
Definition : Defn: A group of acalephs, including the naked-eyed medus?; the hydromedus?. Most of them are known to be the free-swimming progeny (gonophores) of hydroids.
pl.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder